"The balance of rhetoric from Fed speakers suggests Bernanke will at least leave tapering open as a prospect, which will help keep the dollar well supported," wrote Derek Halpenny, the European head of global currency research at Bank of Tokyo-Mitsubishi.

On the economic front, the University of Michigan will release its consumer confidence survey at 9:55 am ET, the main data point on the calendar. Economists polled by Reuters predicted the preliminary reading for May will come in at 78.0, up on 76.4 last month. Soon after, the conference board will release its latest leading indicators. Analysts in a Reuters poll forecast the index rose 0.2 percent in April, suggesting a modest improvement in economic conditions.

In terms of central bank speakers, Minneapolis Fed President Narayana Kocherlakota's speech will be closely watched on Friday, after Thursday's comments by the Fed's John Williams and Charles Plosser suggested they were both open to reducing asset purchases in the near-future.